Question 1

Why do coastlines tend to become more straight (linear) with time? Discuss the processes that contribute to the formation of a smooth coast.

Accepted Answer

Coastlines tend to become more straight

Question 2

Which of the following structures is designed to prevent or retard shoreline erosion?

Accepted Answer

A)  beach nourishment 
B)  groin 
C)  seawall 
D)  All of these structures prevent or retard shoreline erosion. 
E)  Both the groin and seawall prevent or retard shoreline erosion. 
A)  beach nourishment 
B)  groin 
C)  seawall 
D)  All of these structures prevent or retard shoreline erosion. 
E)  Both the groin and seawall prevent or retard shoreline erosion.

Question 3

Groins are constructed for the purpose of maintaining or widening beaches that are losing sand.

Accepted Answer

A) True 
 B)False

Question 4

The most biologically productive part of a salt marsh would be the:

Accepted Answer

A)  barrier flat. 
B)  dune. 
C)  high marsh. 
D)  low marsh. 
E)  lagoon. 
A)  barrier flat. 
B)  dune. 
C)  high marsh. 
D)  low marsh. 
E)  lagoon.

Question 5

Which of the following materials would you expect to be found on the steepest beach?

Accepted Answer

A)  coarse sand 
B)  fine sand 
C)  large gravel 
D)  small pebbles 
E)  cannot be determined based solely on particle size 
A)  coarse sand 
B)  fine sand 
C)  large gravel 
D)  small pebbles 
E)  cannot be determined based solely on particle size

Question 6

The most common barriers constructed along a coastline are:

Accepted Answer

A)  breakwaters. 
B)  groins. 
C)  jetties at harbor entrances. 
D)  seawalls. 
E)  spits. 
A)  breakwaters. 
B)  groins. 
C)  jetties at harbor entrances. 
D)  seawalls. 
E)  spits.

Question 7

Erosional coasts are characterized by features of accumulated sand/pebble/rock that are eroded elsewhere and deposited on shore where longshore currents slow.

Accepted Answer

A) True 
 B)False

Why do coastlines tend to become more straight (linear) with time? Discuss the processes that contribute to the formation of a smooth coast.

Which of the following structures is designed to prevent or retard shoreline erosion?

Groins are constructed for the purpose of maintaining or widening beaches that are losing sand.

The most biologically productive part of a salt marsh would be the:

Which of the following materials would you expect to be found on the steepest beach?

The most common barriers constructed along a coastline are:

Erosional coasts are characterized by features of accumulated sand/pebble/rock that are eroded elsewhere and deposited on shore where longshore currents slow.

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

The Oceans and Climate Change

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Exam 10: The Coast: Beaches and Shoreline Processes

Why do coastlines tend to become more straight (linear) with time? Discuss the processes that contribute to the formation of a smooth coast.

Which of the following structures is designed to prevent or retard shoreline erosion?

Groins are constructed for the purpose of maintaining or widening beaches that are losing sand.

The most biologically productive part of a salt marsh would be the:

Which of the following materials would you expect to be found on the steepest beach?

The most common barriers constructed along a coastline are:

Erosional coasts are characterized by features of accumulated sand/pebble/rock that are eroded elsewhere and deposited on shore where longshore currents slow.

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

The Oceans and Climate Change

Filters